<!DOCTYPE html>
<html>
<head>
    <title></title>
    <script type="text/javascript" src="js/dom.js"></script>
    <!--<script type="text/javascript" src="js/dom-fix.js"></script>
    <script type="text/javascript" src="js/dom-all.js"></script>-->
</head>
<body>
    <div id="test1" style="width:200px; height: 200px; border:1px solid #000;"></div>
<br>
    <input type="checkbox" name="" id="test2">
</body>
</html>